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Finding the Fourth Proportional to 194,326.92, 291,527.28 and 68,003.08

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Solution

The fourth proportional to 194,326.92, 291,527.28 and 68,003.08 is: 102,017.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,326.92 : 291,527.28 = 68,003.08 : x
  2. Step 2: Convert to fraction form
    194,326.92/291,527.28 = 68,003.08/x
  3. Step 3: Cross multiply
    194,326.92x = 291,527.28 × 68,003.08
  4. Step 4: Simplify right side
    194,326.92x = 19,824,752,944.02
  5. Step 5: Solve for x
    x = 19,824,752,944.02/194,326.92
  6. Step 6: Final answer
    x = 102,017.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.